Math, asked by dabasmonika780, 4 months ago

(ii) sin A (1 + tan A) + cos A (1 + cot A) = sec A+ cosec A

Answers

Answered by sandy1816

3

Answer:

Your answer attached in the photo

Attachments:

Answered by khanshahnawaz915805

0

Answer:

LHS =1+cotA−cosecA=1+

sinA

ccos- sinA

1 =

sinA

(sinA+cosA−1)

1+tanA+secA=1+

cosA

sinA

+

cosA

1

=

cosA

(sinA+cosA+1)

(1+cotA−cosecA)(1+tanA+secA)

=

sinAcosA

(sinA+cosA−1)(sinA+cosA+1)

=

sinAcosA

(sinA+cosA)

2

−1

=

sinAcosA

1+2sinAcosA−1

=2=RHS

Hence Proved

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